10 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... thrombocytopenic purpura ... reaction, Paroxysmal ... #differential # ... diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... fever • Drug reactions ... Diagnosis #hematology ... #rheumatology #
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Transfusion Reaction ... maculopapular rash ... Causes purpura & ... #diagnosis #management ... #hematology #reactions
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
maculopapular rash ... Purpura (PTP): ... Causes purpura & ... #diagnosis #management ... #hematology #reactions
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... prosthetic valve • Transfusion ... reactions ex. ... classification #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis ... #rheumatology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Reactions TRALI ... without other cause ... #Reactions #hematology ... #diagnosis #comparison ... #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... mucositis - Rash ... disease, drug reactions ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... disease, drug reactions ... , mucositis • Rash ... tract, and often causes ... Diagnosis #Rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... of necrotizing vasculitis ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology